Motors Car Stereo System User's Manual
Troubleshooting Guide
English
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Some functions of this unit may be disabled by 
some settings made on this unit. 
 !  Cannot switch to Aux source.
▲
 AUX is not turned on. ☞ <Built-in Auxiliary input 
Setting> (page 18) 
 !  Cannot display the user of System Q.
▲
 <Audio Control> (page 7) is not set.
 !  • Cannot set up the subwoofer.
  • No output from the subwoofer.
  • Cannot set up the low pass filter.
▲
 • Preout is not set to subwoofer. ☞ <Switching 
preout> (page 17) 
  • <Subwoofer Output> (page 8) is not set to On. 
 !  Cannot play audio files.
▲
 <CD Read Setting> (page 18) is set to "2".
What might seem to be a malfunction in your unit 
may just be the result of slight misoperation or 
miswiring. Before calling service, first check the 
following table for possible problems.
General
 ?   The Touch Sensor Tone doesn’t sound.
✔  The preout jack is being used.
☞  The Touch Sensor Tone can’t be output from the 
preout jack.
Tuner source
 ?   Radio reception is poor.
✔  The car antenna is not extended.
☞  Pull the antenna out all the way.
✔  The antenna control wire is not connected.
☞  Connect the wire correctly, referring to the 
section on <Connecting Wires to Terminals> 
(page 22).
Disc source
 ?   The specified disc does not play, but another one 
plays instead.
✔  The specified CD is quite dirty.
☞  Clean the CD.
✔  The disc is loaded in a different slot from that 
specified.
☞  Eject the disc magazine and check the number 
for the specified disc.
✔  The disc is severely scratched.
☞  Try another disc instead.
Audio file source
 ?   The sound skips when an Audio file is being 
played.
✔  The media is scratched or dirty.
☞  Clean the media, referring to the CD cleaning of 
the section on <Handling CDs> (page 5).
✔  The recording condition is bad.
☞  Record the media again or use another media.
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